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  1. In Vitro Fertilization for Infertility
  2. Incision Care After Surgery
  3. Incision of External Hemorrhoids
  4. Independent Living for People With Disabilities
  5. Indirect Coombs Test
  6. Indoor Tanning: Is It Safe?
  7. Induction Abortion
  8. Infant and Toddler Health
  9. Infant Crying
  10. Infant Formulas
  11. Infant Massage
  12. Infantile Spasms (West Syndrome)
  13. Infertility: Emotional and Social Concerns
  14. Infertility: Ethical and Legal Concerns
  15. Infertility: Factors That Affect Treatment Success
  16. Infertility: Problems With Fallopian Tubes
  17. Infertility: Problems With Ovulation
  18. Infertility: Problems With the Man's Reproductive System
  19. Infertility: Problems With the Uterus and Cervix
  20. Infertility: Questions to Ask About Assisted Reproductive Technology
  21. Infertility: Questions to Ask About Medicine or Hormone Treatment
  22. Infertility: Setting Limits on Testing
  23. Infertility: Setting Limits on Treatment
  24. Infertility: Should I Have Treatment?
  25. Infertility Testing, Deciding About
  26. Infertility Tests
  27. Infertility: Thinking About Adoption
  28. Infertility Treatment for Women With PCOS
  29. Inflammatory Bowel Disease and Cancer Risk
  30. Inflammatory Bowel Disease: Enteral or Total Parenteral Nutrition
  31. Inflammatory Breast Cancer
  32. Influenza (Seasonal Flu)
  33. Informal Caregivers in Cancer (PDQ®): Supportive care - Patient Information [NCI]
  34. Informal Caregivers in Cancer: Roles, Burden, and Support (PDQ®): Supportive care - Health Professional Information [NCI]
  35. Infrared Photocoagulation for Hemorrhoids
  36. Ingrown Toenail
  37. Inguinal Hernia
  38. Inguinal Hernia: Should I Have Surgery Now, or Should I Wait?
  39. Inguinal Hernia: Surgery in Adults
  40. Inhalant Use
  41. Inhaled Corticosteroids for Asthma
  42. Inhaled Quick-Relief Medicines for Asthma
  43. Injury to the Tailbone (Coccyx)
  44. Inpatient and Outpatient Treatment for Substance Use Disorder
  45. Insect Bites and Stings and Spider Bites
  46. Insect Repellents
  47. Insect Sting Allergies, Deciding about Allergy Shots
  48. Insect Stings: How to Remove the Stinger
  49. Insemination for Infertility
  50. Insemination Procedures
  51. Insomnia
  52. Insomnia: Improving Your Sleep
  53. Insomnia: Should I Take Sleeping Pills?
  54. Insulin Pump, Deciding About
  55. Insulin Resistance
  56. Insulin: Reusing Syringes and Lancets Safely
  57. Interactive Tools
  58. Intermittent Catheterization for Men
  59. Intermittent Catheterization for Women
  60. Intermittent Claudication
  61. Intra-Aortic Balloon Pump
  62. Intracytoplasmic Sperm Injection (ICSI)
  63. Intradiscal Electrothermal Therapy (IDET) for Low Back Pain
  64. Intraocular Lens (IOL) Implants
  65. Intraocular (Uveal) Melanoma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  66. Intraocular (Uveal) Melanoma Treatment (PDQ®): Treatment - Patient Information [NCI]
  67. Intraoperative Cholangiogram
  68. Intrauterine Device (IUD) for Birth Control
  69. Intrauterine Fetal Blood Transfusion
  70. Introducing Foods to Your Baby
  71. Intussusception